Proximity Fed Broadband 120 0 Sectoral Microstrip Antenna

Deshmukh, Amit A.; Kamble, Pritish; Doshi, Akshay; Issrani, Disha; Ray, K. P.

doi:10.1016/j.procs.2017.09.082

Cited by 4 publications

(1 citation statement)

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“…Similar modified TMSA designs for angle " " = 58 • have been studied earlier, wherein either single patch was considered to obtain CP response, 35 or stacked patches were used to widen the AR BW, 36 or multiple patches in the gap-coupled and stacked configurations were used for obtaining multi-band CP response, 37 or additional slot or stub was used for frequency tuning and compactness. 38,39 As against all these reported work, present article discusses the modified designs of ITMSA for isosceles angle varying from 50 • to 110 • .…”

Section: Design Methodology For Modified Itmsasmentioning

confidence: 99%

Circularly polarized designs of modified isosceles triangular microstrip antennas

Deshmukh

Ray

2020

Engineering Reports

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The modified designs of different isosceles triangular microstrip antennas realized by overlapping two isosceles patches, are proposed for circularly polarized response. An offset distance between the two overlapped patches yield optimum spacing in between the orthogonal modes of the composite patch, to give circular polarization. Proposed configuration is investigated for angle increasing from 50 • to 100 •. An optimum response in terms of the bandwidth (BW) is obtained in 50 • modified isosceles patch. Here, input impedance and axial ratio (AR) BW of 646 MHz (52%) and 76 MHz (6.12%), respectively, is obtained. As an additional design feature, proposed configuration shows variation in the center frequency of AR BW against increasing isosceles angle and the offset distance. Proposed designs exhibit broadside radiation pattern with a gain of above 8 dBi, with a good agreement between the simulated and measured results. A new simpler design for circular polarized response supported with detailed design methodology are the new technical contributions in the proposed work.

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